CANVAS STRETCHING CLAMPS: Our canvas stretching clamps are made of aluminum and have red rubber handles. The inside of the clamps is made of hard plastic. The clamps have a total length of 20 cm and H12 cm. The clamps are W12 x L3 cm. There is a removable spring between the handles. The clamps will not rust or tarnish. STRONG AND TIGHT FRAME CLAMPS: The clamp is sturdy and clamps your canvas with ease. The plastic inside of the clamps is grooved to hold your canvas firmly between the clamps. Our clamps grip your canvas frame without tearing or damaging it when stretched on the stretcher frame. They offer both power and precision, making them an essential tool if you are working with canvas paintings. RUBBER GRIPS: The handles of the clamps have a good grip. They are comfortable and won't hurt your hands or wrists. Perfect for artists who suffer from arthritis. The handles are ergonomic and fit the shape of your hand. To make them easier to use, the handles have a spring. Ideal for very large canvases, as you can stretch the canvas faster and with less effort. ESSENTIAL FOR ARTISTS: Our clamps are perfect for securing thick, thin, large and small canvases to a canvas frame. Remove old paint from a stretched canvas, for example. They hold your canvas without damaging or stripping the edges. Use them with a screen, needlepoint canvas, webbing, leather and vinyl material. They are used to repair the upholstery of chairs or cars. Secure diamond painting canvas frames and art numbers to them. Included: 1 x Pair of canvas clamps. Color as shown. Number of pieces delivered: 1 piece