MARSHALLTOWN The Premier Line PSP12SD 12-Inch by 3-1/2-Inch Plastic Pool Trowel with Curved DuraSoft Handle Aluminum alloy mounting to hold up to the toughest jobs Ideal for finishing surfaces that can't be blackened by standard steel blades like: swimming pools, white portland cement projects, interior plaster and stucco Resilient DuraSoft handle, provides soft feel, reduces fatigue U.S. Patent Nos. 5,522,111 and 5,713,096